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发明名称
Improvements in and relating to the power transmission to helicopter rotors
摘要
申请公布号
GB618140(A)
申请公布日期
1949.02.17
申请号
GB19460031694
申请日期
1946.10.25
申请人
THE CIERVA AUTOGIRO COMPANY LIMITED;CYRIL GEORGE PULLIN;KENNETH WATSON
发明人
分类号
B64C27/12
主分类号
B64C27/12
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代理人
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